ああ

interjection

ah!; oh!; alas!

Expresses strong emotion: surprise, realization, admiration, or lament. The literary kanji forms 嗚呼, 噫, 嗟 are occasionally used in writing.

• ああ、なんて美うつくしい景色けしきなんだ。

  Ah, what a beautiful view!

• ああ、もう終おわってしまったのか。

  Oh, it's already over.

interjection

yes; indeed; that's right

Used as an affirmative response, often with a falling intonation. Slightly casual.

• 「これ、君きみの？」「ああ、そうだよ。」

  "Is this yours?" "Yeah, that's right."

interjection

aah; gah; argh

Expresses frustration, exasperation, or giving up. Often drawn out.

• ああ、もう！何なん度ど言いったらわかるんだ。

  Argh, come on! How many times do I have to tell you?

interjection

hey!; yo!

Used to call someone's attention, similar to 'hey' or 'yo'. Informal.

• ああ、ちょっと待まってよ。

  Hey, wait a sec.

interjection

uh huh; yeah yeah; right

Backchanneling or half-hearted agreement during conversation. Can sound dismissive if overused.

• 「明日あしたまでにやっておいて。」「ああ、わかった。」

  "Get it done by tomorrow." "Yeah, got it."